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RITO Bushing and Rotor Kit 336323 336323A 336323B Hydraulic Pump Rotor Group Cylinder Block Excavator Pump Repair Device

Is internal fluid bypass across a grooved piston barrel dropping your main pump's flow output and stalling your boom cylinders during deep digging? Wide mechanical tolerances inside a worn rotor group let high-pressure oil slip straight into the low-pressure suction side, dropping speed and raising fuel use. Re-establish factory volumetric performance across your machine core using the precision-ground RITO 336323 bushing and rotor kit.

  • Item NO.:

    336323
  • Order(MOQ):

    1
  • Payment:

    T/T, WESTERN UNION, CHINESE BANK,PAYPAL
  • Product Origin:

    JAPAN
  • Lead Time:

    2-3 DAYS
  • Product Details

Wholesale parts managers require robust pump rebuild sets that hold up under continuous high-pressure tracking and digging shifts. Our premium RITO 336323 rotor group utilizes advanced bimetallic cylinder block castings with micro-honed piston chambers to achieve a near-perfect fluid seal. Stock this master repair device to provide workshop clients with a reliable fix for lagging system performance.

336323A Bushing Rotor Kit

 
Product Specifications

Part Number  336323
Part Name Bushing and Rotor Kit
Compatible Brand Tongmyung
Applicable Models Heavy-Duty Main Pump Rebuild Series
Application Excavator hydraulic system
Material High-Hardness Alloy Steel
Product Color Polished Steel Silver Finish
Working Temperature -30°C to 115°C
Key Function Housing piston slipper elements to compress hydraulic oil and build system volume flow
Condition 100% New, Aftermarket / OEM Quality
Packaging Wooden Case/Reinforced Carton/Neutral Packing / Customized Box

 

Key Features & Advantages


Precision

Matched Bimetallic Sealing Interfaces

Cylinder block faces and internal components are lapped together to eliminate high-pressure internal oil bypass.

Leak-Free

Micro-Honed Internal Piston Bores

Ultra-smooth cylinder chambers minimize slipper drag and piston scratching to extend component service lifespans.

Direct Fitment

Tough Alloy Forged Core Base

Toughened steel structural core handles constant high-frequency cyclic loading without structural stress cracking.

Rigorous Testing

 Multi-Tier Quality Options

We provide Original, OEM, and Premium Aftermarket grades, allowing distributors to meet diverse client budgets and performance needs.

 

Excavator Hydraulic Part

FAQ


Q: What precise machinery symptoms indicate that a 336323 cylinder block has suffered severe internal wear?
A: A noticeable drop in pump oil flow under high loads when fluid heats up, elevated pump casing vibrations, and a high-pitched mechanical whine.
 
Q: What reassembly preparation is required from workshop crews before inserting this new rotor group into the casing?
A: Technicians must clean out the entire housing cavity, verify that drive shaft splines fit smoothly, and coat all sliding surfaces with clean hydraulic fluid.
 
Q: Are part numbers 336323, 336323A, and 336323B completely interchangeable across standard main pump overhauls?
A: Yes, these numbers represent the same technical blueprint sizes, matching the factory mounting metrics specified for this rotating frame displacement class.
 
Q: How does the bimetallic face of this cylinder block prevent surface galling during high-heat mining operations?
A: The premium copper alloy bonded to the steel block functions as a solid lubricant during temporary thermal spikes, preventing the faces from metal-on-metal welding under load.
 

Q:  What quality options are available?

A: We provide original, OEM, and high-quality aftermarket versions with stable supply capability.

 

Q:Why Choose RITO?
A:Listed Factory
   Stable&Reliable Quality
   OEM Factory for Chinese Top Excavator Brands
   Supplier to Fortune 500 Companies

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If you are interested in our products and want to know more details,please leave a message here,we will reply you as soon as we can.

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Leave A Message
If you are interested in our products and want to know more details,please leave a message here,we will reply you as soon as we can.

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